Grade CuZn42
European Standard Steel Grade CW510L
Corresponding Standard EN 12167-2024
Copper and copper alloys - Profiles and bars for general purposes
Classification Copper and Copper Alloys
Density 8.4 g/cm3
CuZn42 Chemical Element Composition Content (%)
Component Fe Ni Cu Pb Al Sn Other Total More
Minimum Value - - 57 - - - - Znmin:Rem.
Maximum Value 0.3 0.3 59 0.2 0.05 0.3 0.2
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
CuZn42 Mechanical Properties
thickness
t
mm
Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
3≤t≤10 CuZn42-R500 R500 ≥500 ≥350 ≥2(A100), ≥5(A11.3)
3≤t≤20 CuZn42-R430 R430 ≥430 ≥220 ≥6(A100), ≥8(A11.3)
6≤t≤40 CuZn42-R360 R360 ≥360 ≤320 ≥15(A)
3≤t≤10 CuZn42-H135 H135 ≥135
3≤t≤20 CuZn42-H110 H110 110~160
6≤t≤40 CuZn42-H090 H090 90~125
All specifications CuZn42-M M As manufactured As manufactured As manufactured As manufactured
Test pieces shall be in accordance with EN ISO 6892-1:2019, except that 200 mm gauge length is not permitted.
Elongation requirements for rod of thickness or diameter equivalent to the cross sectional area:
ⓐ less than 4 mm (A100 mm);
ⓑ 4 mm up to and including 8 mm (A 11,3);
ⓒ greater than 8 mm (A);

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